The correct option is B False
∙ Anatomically, Nematodes and Platyhelminthes are almost similar.
∙ Both Nematodes and Platyhelminthes are bilaterally symmterical and triploblastic. Free-living and parasitic worms are examples of both phyla.
∙ Platyhelminthes are flat worms, i.e., they have a dorsoventrally flattened body, and are acoelomates. Nematoda includes roundworms which are pseudocoelomates.